During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.

The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）

Using a file without a handle may result in （）

The cetane rating of diesel fuel is an indication of the （）

To proceed to the assistance of a ship in distress is（）

Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）

The main purpose of port State control is not to（）

Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）

Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?（）

By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a（）